Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - 12.1 Define and Use Sequences and Series - Guided Practice for Examples 5 and 6 - Page 797: 10



Work Step by Step

$\displaystyle \sum_{i=1}^{5}8i=8(1)+8(2)+8(3)+8(4)+8(5)$ $=8 +16+24+32+40$ $=120$
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